// ie判断
function IEVersion() {
  var userAgent = navigator.userAgent; //取得浏览器的userAgent字符串  
  var isIE = userAgent.indexOf("compatible") > -1 && userAgent.indexOf("MSIE") > -1; //判断是否IE<11浏览器  
  var isEdge = userAgent.indexOf("Edge") > -1 && !isIE; //判断是否IE的Edge浏览器  
  var isIE11 = userAgent.indexOf('Trident') > -1 && userAgent.indexOf("rv:11.0") > -1;
  if (isIE) {
    var reIE = new RegExp("MSIE (\\d+\\.\\d+);");
    reIE.test(userAgent);
    var fIEVersion = parseFloat(RegExp["$1"]);
    if (fIEVersion == 7) {
      return 7;
    } else if (fIEVersion == 8) {
      return 8;
    } else if (fIEVersion == 9) {
      return 9;
    } else if (fIEVersion == 10) {
      return 10;
    } else {
      return 6; //IE版本<=7
    }
  } else if (isEdge) {
    return 2; //edge
  } else if (isIE11) {
    return 11; //IE11  
  } else {
    return 200000; //不是ie浏览器
  }
}

function updataBrow() {
  var ie = IEVersion()
  // console.log("ieieie", ie)
  if (ie <= 11) {
    location.href = "./ie.html"
    return;
  }
  
}
updataBrow()